BR9401106A - Processo para a redução direta de materiais contendo óxido de ferro com agentes redutores carbonáceos sólidos - Google Patents
Processo para a redução direta de materiais contendo óxido de ferro com agentes redutores carbonáceos sólidosInfo
- Publication number
- BR9401106A BR9401106A BR9401106A BR9401106A BR9401106A BR 9401106 A BR9401106 A BR 9401106A BR 9401106 A BR9401106 A BR 9401106A BR 9401106 A BR9401106 A BR 9401106A BR 9401106 A BR9401106 A BR 9401106A
- Authority
- BR
- Brazil
- Prior art keywords
- iron oxide
- reducing agents
- materials containing
- containing iron
- direct reduction
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934307484 DE4307484A1 (de) | 1993-03-10 | 1993-03-10 | Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9401106A true BR9401106A (pt) | 1994-11-08 |
Family
ID=6482383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9401106A BR9401106A (pt) | 1993-03-10 | 1994-03-09 | Processo para a redução direta de materiais contendo óxido de ferro com agentes redutores carbonáceos sólidos |
Country Status (11)
Country | Link |
---|---|
US (1) | US5433767A (de) |
EP (2) | EP0790319B1 (de) |
JP (1) | JP3543837B2 (de) |
KR (1) | KR100321103B1 (de) |
CN (2) | CN1039829C (de) |
AU (2) | AU670663B2 (de) |
BR (1) | BR9401106A (de) |
CA (1) | CA2116749C (de) |
DE (3) | DE4307484A1 (de) |
TW (1) | TW299303B (de) |
ZA (1) | ZA941675B (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4437549C2 (de) * | 1994-10-20 | 1996-08-08 | Metallgesellschaft Ag | Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz |
US5674308A (en) * | 1994-08-12 | 1997-10-07 | Midrex International B.V. Rotterdam, Zurich Branch | Spouted bed circulating fluidized bed direct reduction system and method |
US5435831A (en) * | 1994-08-12 | 1995-07-25 | Midrex International B.V. Rotterdam, Zurich Branch | Circulating fluidizable bed co-processing of fines in a direct reduction system |
US6238639B1 (en) | 1995-05-04 | 2001-05-29 | Metallgesellschaft Aktiengesellschaft | Process for removing NOx from nitrosylsulphuric acid |
US5746805A (en) * | 1995-07-18 | 1998-05-05 | Metallgesellschaft Aktiengesellschaft | Process for the continuous manufacture of steel |
UA42803C2 (uk) * | 1995-10-10 | 2001-11-15 | Фоест-Альпіне Індустріанлагенбау Гмбх | Спосіб прямого відновлення дрібнозернистого матеріалу у формі часток, що містить оксид заліза, та установка для здійснення цього способу |
AT406379B (de) * | 1995-10-10 | 2000-04-25 | Voest Alpine Ind Anlagen | Verfahren zur direktreduktion von teilchenförmigem eisenoxidhältigem material und anlage zur durchführung des verfahrens |
AT406485B (de) * | 1995-10-10 | 2000-05-25 | Voest Alpine Ind Anlagen | Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und anlage zur durchführung des verfahrens |
AUPN639995A0 (en) * | 1995-11-03 | 1995-11-30 | Technological Resources Pty Limited | A method and an apparatus for producing metals and metal alloys |
AUPO276496A0 (en) | 1996-10-07 | 1996-10-31 | Technological Resources Pty Limited | A method and an apparatus for producing metals and metal alloys |
DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
NZ551518A (en) * | 2004-05-31 | 2010-02-26 | Outotec Oyj | Direct reduction process using a single fluidised bed |
EP2440677B1 (de) * | 2009-06-10 | 2018-08-08 | Keki Hormusji Gharda | Verfahren zur herstellung von eisen, halbstahl und reduktionsgasen |
DE102010022773B4 (de) * | 2010-06-04 | 2012-10-04 | Outotec Oyj | Verfahren und Anlage zur Erzeugung von Roheisen |
CN101974661B (zh) * | 2010-10-18 | 2011-12-07 | 贾会平 | 熔融还原炼铁的方法和设备 |
CN105936836B (zh) * | 2016-06-07 | 2023-09-15 | 广东工业大学 | 小型生物质气化燃烧系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3079248A (en) * | 1960-08-10 | 1963-02-26 | Exxon Research Engineering Co | Direct reduction of ferrous oxide |
IT1041142B (it) * | 1975-08-05 | 1980-01-10 | Italimpianti Spa | Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido |
US4094665A (en) * | 1977-05-13 | 1978-06-13 | Stora Kopparbergs Bergslags Ab | Method for simultaneous combined production of electrical energy and crude iron |
JPS59110712A (ja) * | 1982-12-16 | 1984-06-26 | Kawasaki Steel Corp | 粉粒状鉱石の還元方法 |
DE3318005C2 (de) * | 1983-05-18 | 1986-02-20 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur Eisenherstellung |
DE3418085A1 (de) * | 1984-05-16 | 1985-11-28 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur eisenherstellung |
DE3607775A1 (de) * | 1986-03-08 | 1987-09-17 | Kloeckner Cra Tech | Verfahren zur schmelzreduktion von eisenerz |
DE3626027A1 (de) * | 1986-08-01 | 1988-02-11 | Metallgesellschaft Ag | Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln |
DE3835332A1 (de) * | 1988-10-17 | 1990-04-19 | Ralph Weber | Verfahren zur herstellung von stahl aus feinerz |
US5185032A (en) * | 1992-05-26 | 1993-02-09 | Fior De Venezuela | Process for fluidized bed direct steelmaking |
-
1993
- 1993-03-10 DE DE19934307484 patent/DE4307484A1/de not_active Withdrawn
- 1993-07-22 TW TW82105840A patent/TW299303B/zh not_active IP Right Cessation
-
1994
- 1994-03-01 EP EP19970103922 patent/EP0790319B1/de not_active Expired - Lifetime
- 1994-03-01 DE DE59404688T patent/DE59404688D1/de not_active Expired - Lifetime
- 1994-03-01 CA CA 2116749 patent/CA2116749C/en not_active Expired - Lifetime
- 1994-03-01 DE DE59407411T patent/DE59407411D1/de not_active Expired - Lifetime
- 1994-03-01 EP EP19940200520 patent/EP0614990B1/de not_active Expired - Lifetime
- 1994-03-08 AU AU57654/94A patent/AU670663B2/en not_active Expired
- 1994-03-09 KR KR1019940004586A patent/KR100321103B1/ko active IP Right Grant
- 1994-03-09 BR BR9401106A patent/BR9401106A/pt not_active IP Right Cessation
- 1994-03-09 US US08/208,872 patent/US5433767A/en not_active Expired - Lifetime
- 1994-03-10 ZA ZA941675A patent/ZA941675B/xx unknown
- 1994-03-10 JP JP6657094A patent/JP3543837B2/ja not_active Expired - Lifetime
- 1994-03-10 CN CN94102306A patent/CN1039829C/zh not_active Expired - Lifetime
-
1996
- 1996-05-24 AU AU52488/96A patent/AU679662B2/en not_active Expired
-
1997
- 1997-03-20 CN CN97103708A patent/CN1053474C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ZA941675B (en) | 1995-09-11 |
CN1093412A (zh) | 1994-10-12 |
CN1174240A (zh) | 1998-02-25 |
JP3543837B2 (ja) | 2004-07-21 |
DE4307484A1 (de) | 1994-09-15 |
TW299303B (de) | 1997-03-01 |
CN1039829C (zh) | 1998-09-16 |
KR100321103B1 (ko) | 2002-06-20 |
EP0614990A1 (de) | 1994-09-14 |
DE59407411D1 (de) | 1999-01-14 |
CA2116749C (en) | 2006-05-02 |
US5433767A (en) | 1995-07-18 |
EP0614990B1 (de) | 1997-12-03 |
EP0790319A2 (de) | 1997-08-20 |
AU670663B2 (en) | 1996-07-25 |
JPH06346127A (ja) | 1994-12-20 |
AU679662B2 (en) | 1997-07-03 |
CA2116749A1 (en) | 1994-09-11 |
AU5248896A (en) | 1996-08-01 |
EP0790319A3 (de) | 1997-09-03 |
AU5765494A (en) | 1994-09-15 |
DE59404688D1 (de) | 1998-01-15 |
CN1053474C (zh) | 2000-06-14 |
EP0790319B1 (de) | 1998-12-02 |
KR940021744A (ko) | 1994-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 09/03/2014 |